Home / 11,519.29-17,281.95-3,621.48

Finding the Fourth Proportional to 11,519.29, 17,281.95 and 3,621.48

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Solution

The fourth proportional to 11,519.29, 17,281.95 and 3,621.48 is: 5,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.29 : 17,281.95 = 3,621.48 : x
  2. Step 2: Convert to fraction form
    11,519.29/17,281.95 = 3,621.48/x
  3. Step 3: Cross multiply
    11,519.29x = 17,281.95 × 3,621.48
  4. Step 4: Simplify right side
    11,519.29x = 62,586,255.11
  5. Step 5: Solve for x
    x = 62,586,255.11/11,519.29
  6. Step 6: Final answer
    x = 5,433.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.